258829695

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2689}}^1$

素因数の和:2757

約数の個数: 64

約数和(自身を含む): 495820800

約数和(自身を除く): 236991105

約数列:

[1, 3, 5, 9, 15, 23, 27, 31, 45, 69, 93, 115, 135, 155, 207, 279, 345, 465, 621, 713, 837, 1035, 1395, 2139, 2689, 3105, 3565, 4185, 6417, 8067, 10695, 13445, 19251, 24201, 32085, 40335, 61847, 72603, 83359, 96255, 121005, 185541, 250077, 309235, 363015, 416795, 556623, 750231, 927705, 1250385, 1669869, 1917257, 2250693, 2783115, 3751155, 5751771, 8349345, 9586285, 11253465, 17255313, 28758855, 51765939, 86276565, 258829695]

約数ペア:

[(1, 258829695), (3, 86276565), (5, 51765939), (9, 28758855), (15, 17255313), (23, 11253465), (27, 9586285), (31, 8349345), (45, 5751771), (69, 3751155), (93, 2783115), (115, 2250693), (135, 1917257), (155, 1669869), (207, 1250385), (279, 927705), (345, 750231), (465, 556623), (621, 416795), (713, 363015), (837, 309235), (1035, 250077), (1395, 185541), (2139, 121005), (2689, 96255), (3105, 83359), (3565, 72603), (4185, 61847), (6417, 40335), (8067, 32085), (10695, 24201), (13445, 19251)]