263152755

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 489277152

約数和(自身を除く): 226124397

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 97, 167, 171, 285, 291, 361, 485, 501, 835, 855, 873, 1083, 1455, 1503, 1805, 1843, 2505, 3173, 3249, 4365, 5415, 5529, 7515, 9215, 9519, 15865, 16199, 16245, 16587, 27645, 28557, 35017, 47595, 48597, 60287, 80995, 82935, 105051, 142785, 145791, 175085, 180861, 242985, 301435, 307781, 315153, 525255, 542583, 728955, 904305, 923343, 1538905, 1575765, 2712915, 2770029, 4616715, 5847839, 13850145, 17543517, 29239195, 52630551, 87717585, 263152755]

約数ペア:

[(1, 263152755), (3, 87717585), (5, 52630551), (9, 29239195), (15, 17543517), (19, 13850145), (45, 5847839), (57, 4616715), (95, 2770029), (97, 2712915), (167, 1575765), (171, 1538905), (285, 923343), (291, 904305), (361, 728955), (485, 542583), (501, 525255), (835, 315153), (855, 307781), (873, 301435), (1083, 242985), (1455, 180861), (1503, 175085), (1805, 145791), (1843, 142785), (2505, 105051), (3173, 82935), (3249, 80995), (4365, 60287), (5415, 48597), (5529, 47595), (7515, 35017), (9215, 28557), (9519, 27645), (15865, 16587), (16199, 16245)]