72917325

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 72

約数和(自身を含む): 142652328

約数和(自身を除く): 69735003

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 97, 117, 195, 225, 257, 291, 325, 485, 585, 771, 873, 975, 1261, 1285, 1455, 2313, 2425, 2925, 3341, 3783, 3855, 4365, 6305, 6425, 7275, 10023, 11349, 11565, 16705, 18915, 19275, 21825, 24929, 30069, 31525, 50115, 56745, 57825, 74787, 83525, 94575, 124645, 150345, 224361, 250575, 283725, 324077, 373935, 623225, 751725, 972231, 1121805, 1620385, 1869675, 2916693, 4861155, 5609025, 8101925, 14583465, 24305775, 72917325]

約数ペア:

[(1, 72917325), (3, 24305775), (5, 14583465), (9, 8101925), (13, 5609025), (15, 4861155), (25, 2916693), (39, 1869675), (45, 1620385), (65, 1121805), (75, 972231), (97, 751725), (117, 623225), (195, 373935), (225, 324077), (257, 283725), (291, 250575), (325, 224361), (485, 150345), (585, 124645), (771, 94575), (873, 83525), (975, 74787), (1261, 57825), (1285, 56745), (1455, 50115), (2313, 31525), (2425, 30069), (2925, 24929), (3341, 21825), (3783, 19275), (3855, 18915), (4365, 16705), (6305, 11565), (6425, 11349), (7275, 10023)]