166156875

素因数分解:

$3^2\times 5^4\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:406

約数の個数: 60

約数和(自身を含む): 303777760

約数和(自身を除く): 137620885

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 125, 225, 271, 327, 375, 545, 625, 813, 981, 1125, 1355, 1635, 1875, 2439, 2725, 4065, 4905, 5625, 6775, 8175, 12195, 13625, 20325, 24525, 29539, 33875, 40875, 60975, 68125, 88617, 101625, 122625, 147695, 169375, 204375, 265851, 304875, 443085, 508125, 613125, 738475, 1329255, 1524375, 2215425, 3692375, 6646275, 11077125, 18461875, 33231375, 55385625, 166156875]

約数ペア:

[(1, 166156875), (3, 55385625), (5, 33231375), (9, 18461875), (15, 11077125), (25, 6646275), (45, 3692375), (75, 2215425), (109, 1524375), (125, 1329255), (225, 738475), (271, 613125), (327, 508125), (375, 443085), (545, 304875), (625, 265851), (813, 204375), (981, 169375), (1125, 147695), (1355, 122625), (1635, 101625), (1875, 88617), (2439, 68125), (2725, 60975), (4065, 40875), (4905, 33875), (5625, 29539), (6775, 24525), (8175, 20325), (12195, 13625)]