74352825

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 139276800

約数和(自身を除く): 64923975

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 75, 79, 89, 141, 225, 235, 237, 267, 395, 423, 445, 705, 711, 801, 1175, 1185, 1335, 1975, 2115, 2225, 3525, 3555, 3713, 4005, 4183, 5925, 6675, 7031, 10575, 11139, 12549, 17775, 18565, 20025, 20915, 21093, 33417, 35155, 37647, 55695, 62745, 63279, 92825, 104575, 105465, 167085, 175775, 188235, 278475, 313725, 316395, 330457, 527325, 835425, 941175, 991371, 1581975, 1652285, 2974113, 4956855, 8261425, 14870565, 24784275, 74352825]

約数ペア:

[(1, 74352825), (3, 24784275), (5, 14870565), (9, 8261425), (15, 4956855), (25, 2974113), (45, 1652285), (47, 1581975), (75, 991371), (79, 941175), (89, 835425), (141, 527325), (225, 330457), (235, 316395), (237, 313725), (267, 278475), (395, 188235), (423, 175775), (445, 167085), (705, 105465), (711, 104575), (801, 92825), (1175, 63279), (1185, 62745), (1335, 55695), (1975, 37647), (2115, 35155), (2225, 33417), (3525, 21093), (3555, 20915), (3713, 20025), (4005, 18565), (4183, 17775), (5925, 12549), (6675, 11139), (7031, 10575)]