551495475

素因数分解:

$3^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{449}}^1$

素因数の和:621

約数の個数: 72

約数和(自身を含む): 1018461600

約数和(自身を除く): 466966125

約数列:

[1, 3, 5, 9, 15, 25, 45, 53, 75, 103, 159, 225, 265, 309, 449, 477, 515, 795, 927, 1325, 1347, 1545, 2245, 2385, 2575, 3975, 4041, 4635, 5459, 6735, 7725, 11225, 11925, 16377, 20205, 23175, 23797, 27295, 33675, 46247, 49131, 71391, 81885, 101025, 118985, 136475, 138741, 214173, 231235, 245655, 356955, 409425, 416223, 594925, 693705, 1070865, 1156175, 1228275, 1784775, 2081115, 2451091, 3468525, 5354325, 7353273, 10405575, 12255455, 22059819, 36766365, 61277275, 110299095, 183831825, 551495475]

約数ペア:

[(1, 551495475), (3, 183831825), (5, 110299095), (9, 61277275), (15, 36766365), (25, 22059819), (45, 12255455), (53, 10405575), (75, 7353273), (103, 5354325), (159, 3468525), (225, 2451091), (265, 2081115), (309, 1784775), (449, 1228275), (477, 1156175), (515, 1070865), (795, 693705), (927, 594925), (1325, 416223), (1347, 409425), (1545, 356955), (2245, 245655), (2385, 231235), (2575, 214173), (3975, 138741), (4041, 136475), (4635, 118985), (5459, 101025), (6735, 81885), (7725, 71391), (11225, 49131), (11925, 46247), (16377, 33675), (20205, 27295), (23175, 23797)]