421569687

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{173}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 728139888

約数和(自身を除く): 306570201

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 121, 137, 147, 173, 231, 363, 411, 519, 539, 847, 959, 1211, 1507, 1617, 1903, 2541, 2877, 3633, 4521, 5709, 5929, 6713, 8477, 10549, 13321, 16577, 17787, 20139, 20933, 23701, 25431, 31647, 39963, 49731, 62799, 71103, 73843, 93247, 116039, 146531, 165907, 221529, 260711, 279741, 348117, 439593, 497721, 782133, 812273, 1025717, 1161349, 1824977, 2436819, 2867821, 3077151, 3484047, 5474931, 8603463, 12774839, 20074747, 38324517, 60224241, 140523229, 421569687]

約数ペア:

[(1, 421569687), (3, 140523229), (7, 60224241), (11, 38324517), (21, 20074747), (33, 12774839), (49, 8603463), (77, 5474931), (121, 3484047), (137, 3077151), (147, 2867821), (173, 2436819), (231, 1824977), (363, 1161349), (411, 1025717), (519, 812273), (539, 782133), (847, 497721), (959, 439593), (1211, 348117), (1507, 279741), (1617, 260711), (1903, 221529), (2541, 165907), (2877, 146531), (3633, 116039), (4521, 93247), (5709, 73843), (5929, 71103), (6713, 62799), (8477, 49731), (10549, 39963), (13321, 31647), (16577, 25431), (17787, 23701), (20139, 20933)]