13398975

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:177

約数の個数: 72

約数和(自身を含む): 26462592

約数和(自身を除く): 13063617

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 93, 113, 153, 155, 225, 255, 279, 339, 425, 465, 527, 565, 765, 775, 1017, 1275, 1395, 1581, 1695, 1921, 2325, 2635, 2825, 3503, 3825, 4743, 5085, 5763, 6975, 7905, 8475, 9605, 10509, 13175, 17289, 17515, 23715, 25425, 28815, 31527, 39525, 48025, 52545, 59551, 86445, 87575, 118575, 144075, 157635, 178653, 262725, 297755, 432225, 535959, 788175, 893265, 1488775, 2679795, 4466325, 13398975]

約数ペア:

[(1, 13398975), (3, 4466325), (5, 2679795), (9, 1488775), (15, 893265), (17, 788175), (25, 535959), (31, 432225), (45, 297755), (51, 262725), (75, 178653), (85, 157635), (93, 144075), (113, 118575), (153, 87575), (155, 86445), (225, 59551), (255, 52545), (279, 48025), (339, 39525), (425, 31527), (465, 28815), (527, 25425), (565, 23715), (765, 17515), (775, 17289), (1017, 13175), (1275, 10509), (1395, 9605), (1581, 8475), (1695, 7905), (1921, 6975), (2325, 5763), (2635, 5085), (2825, 4743), (3503, 3825)]