28834875

素因数分解:

$3^2\times 5^3\times {\mathrm{19}}^2\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 72

約数和(自身を含む): 55632096

約数和(自身を除く): 26797221

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 71, 75, 95, 125, 171, 213, 225, 285, 355, 361, 375, 475, 639, 855, 1065, 1083, 1125, 1349, 1425, 1775, 1805, 2375, 3195, 3249, 4047, 4275, 5325, 5415, 6745, 7125, 8875, 9025, 12141, 15975, 16245, 20235, 21375, 25631, 26625, 27075, 33725, 45125, 60705, 76893, 79875, 81225, 101175, 128155, 135375, 168625, 230679, 303525, 384465, 406125, 505875, 640775, 1153395, 1517625, 1922325, 3203875, 5766975, 9611625, 28834875]

約数ペア:

[(1, 28834875), (3, 9611625), (5, 5766975), (9, 3203875), (15, 1922325), (19, 1517625), (25, 1153395), (45, 640775), (57, 505875), (71, 406125), (75, 384465), (95, 303525), (125, 230679), (171, 168625), (213, 135375), (225, 128155), (285, 101175), (355, 81225), (361, 79875), (375, 76893), (475, 60705), (639, 45125), (855, 33725), (1065, 27075), (1083, 26625), (1125, 25631), (1349, 21375), (1425, 20235), (1775, 16245), (1805, 15975), (2375, 12141), (3195, 9025), (3249, 8875), (4047, 7125), (4275, 6745), (5325, 5415)]