61213725

素因数分解:

$3^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 125433440

約数和(自身を除く): 64219715

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 37, 43, 45, 57, 75, 81, 95, 111, 129, 135, 171, 185, 215, 225, 285, 333, 387, 405, 475, 513, 555, 645, 675, 703, 817, 855, 925, 999, 1075, 1161, 1425, 1539, 1591, 1665, 1935, 2025, 2109, 2451, 2565, 2775, 2997, 3225, 3483, 3515, 4085, 4275, 4773, 4995, 5805, 6327, 7353, 7695, 7955, 8325, 9675, 10545, 12255, 12825, 14319, 14985, 17415, 17575, 18981, 20425, 22059, 23865, 24975, 29025, 30229, 31635, 36765, 38475, 39775, 42957, 52725, 56943, 61275, 66177, 71595, 74925, 87075, 90687, 94905, 110295, 119325, 128871, 151145, 158175, 183825, 214785, 272061, 284715, 330885, 357975, 453435, 474525, 551475, 644355, 755725, 816183, 1073925, 1360305, 1423575, 1654425, 2267175, 2448549, 3221775, 4080915, 6801525, 12242745, 20404575, 61213725]

約数ペア:

[(1, 61213725), (3, 20404575), (5, 12242745), (9, 6801525), (15, 4080915), (19, 3221775), (25, 2448549), (27, 2267175), (37, 1654425), (43, 1423575), (45, 1360305), (57, 1073925), (75, 816183), (81, 755725), (95, 644355), (111, 551475), (129, 474525), (135, 453435), (171, 357975), (185, 330885), (215, 284715), (225, 272061), (285, 214785), (333, 183825), (387, 158175), (405, 151145), (475, 128871), (513, 119325), (555, 110295), (645, 94905), (675, 90687), (703, 87075), (817, 74925), (855, 71595), (925, 66177), (999, 61275), (1075, 56943), (1161, 52725), (1425, 42957), (1539, 39775), (1591, 38475), (1665, 36765), (1935, 31635), (2025, 30229), (2109, 29025), (2451, 24975), (2565, 23865), (2775, 22059), (2997, 20425), (3225, 18981), (3483, 17575), (3515, 17415), (4085, 14985), (4275, 14319), (4773, 12825), (4995, 12255), (5805, 10545), (6327, 9675), (7353, 8325), (7695, 7955)]