28347525

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{349}}^1$

素因数の和:403

約数の個数: 54

約数和(自身を含む): 53740050

約数和(自身を除く): 25392525

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 349, 361, 475, 855, 1047, 1083, 1425, 1745, 1805, 3141, 3249, 4275, 5235, 5415, 6631, 8725, 9025, 15705, 16245, 19893, 26175, 27075, 33155, 59679, 78525, 81225, 99465, 125989, 165775, 298395, 377967, 497325, 629945, 1133901, 1491975, 1889835, 3149725, 5669505, 9449175, 28347525]

約数ペア:

[(1, 28347525), (3, 9449175), (5, 5669505), (9, 3149725), (15, 1889835), (19, 1491975), (25, 1133901), (45, 629945), (57, 497325), (75, 377967), (95, 298395), (171, 165775), (225, 125989), (285, 99465), (349, 81225), (361, 78525), (475, 59679), (855, 33155), (1047, 27075), (1083, 26175), (1425, 19893), (1745, 16245), (1805, 15705), (3141, 9025), (3249, 8725), (4275, 6631), (5235, 5415)]