25019325

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1$

素因数の和:275

約数の個数: 72

約数和(自身を含む): 49211136

約数和(自身を除く): 24191811

約数列:

[1, 3, 5, 9, 15, 17, 25, 31, 45, 51, 75, 85, 93, 153, 155, 211, 225, 255, 279, 425, 465, 527, 633, 765, 775, 1055, 1275, 1395, 1581, 1899, 2325, 2635, 3165, 3587, 3825, 4743, 5275, 6541, 6975, 7905, 9495, 10761, 13175, 15825, 17935, 19623, 23715, 32283, 32705, 39525, 47475, 53805, 58869, 89675, 98115, 111197, 118575, 161415, 163525, 269025, 294345, 333591, 490575, 555985, 807075, 1000773, 1471725, 1667955, 2779925, 5003865, 8339775, 25019325]

約数ペア:

[(1, 25019325), (3, 8339775), (5, 5003865), (9, 2779925), (15, 1667955), (17, 1471725), (25, 1000773), (31, 807075), (45, 555985), (51, 490575), (75, 333591), (85, 294345), (93, 269025), (153, 163525), (155, 161415), (211, 118575), (225, 111197), (255, 98115), (279, 89675), (425, 58869), (465, 53805), (527, 47475), (633, 39525), (765, 32705), (775, 32283), (1055, 23715), (1275, 19623), (1395, 17935), (1581, 15825), (1899, 13175), (2325, 10761), (2635, 9495), (3165, 7905), (3587, 6975), (3825, 6541), (4743, 5275)]