215961876

素因数分解:

$2^2\times 3^9\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 120

約数和(自身を含む): 613390624

約数和(自身を除く): 397428748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 211, 234, 243, 324, 351, 422, 468, 486, 633, 702, 729, 844, 972, 1053, 1266, 1404, 1458, 1899, 2106, 2187, 2532, 2743, 2916, 3159, 3798, 4212, 4374, 5486, 5697, 6318, 6561, 7596, 8229, 8748, 9477, 10972, 11394, 12636, 13122, 16458, 17091, 18954, 19683, 22788, 24687, 26244, 28431, 32916, 34182, 37908, 39366, 49374, 51273, 56862, 68364, 74061, 78732, 85293, 98748, 102546, 113724, 148122, 153819, 170586, 205092, 222183, 255879, 296244, 307638, 341172, 444366, 461457, 511758, 615276, 666549, 888732, 922914, 1023516, 1333098, 1384371, 1845828, 1999647, 2666196, 2768742, 3999294, 4153113, 5537484, 5998941, 7998588, 8306226, 11997882, 16612452, 17996823, 23995764, 35993646, 53990469, 71987292, 107980938, 215961876]

約数ペア:

[(1, 215961876), (2, 107980938), (3, 71987292), (4, 53990469), (6, 35993646), (9, 23995764), (12, 17996823), (13, 16612452), (18, 11997882), (26, 8306226), (27, 7998588), (36, 5998941), (39, 5537484), (52, 4153113), (54, 3999294), (78, 2768742), (81, 2666196), (108, 1999647), (117, 1845828), (156, 1384371), (162, 1333098), (211, 1023516), (234, 922914), (243, 888732), (324, 666549), (351, 615276), (422, 511758), (468, 461457), (486, 444366), (633, 341172), (702, 307638), (729, 296244), (844, 255879), (972, 222183), (1053, 205092), (1266, 170586), (1404, 153819), (1458, 148122), (1899, 113724), (2106, 102546), (2187, 98748), (2532, 85293), (2743, 78732), (2916, 74061), (3159, 68364), (3798, 56862), (4212, 51273), (4374, 49374), (5486, 39366), (5697, 37908), (6318, 34182), (6561, 32916), (7596, 28431), (8229, 26244), (8748, 24687), (9477, 22788), (10972, 19683), (11394, 18954), (12636, 17091), (13122, 16458)]