15728895

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 35223552

約数和(自身を除く): 19494657

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 23, 35, 39, 45, 63, 65, 69, 91, 105, 115, 117, 161, 167, 195, 207, 273, 299, 315, 345, 455, 483, 501, 585, 805, 819, 835, 897, 1035, 1169, 1365, 1449, 1495, 1503, 2093, 2171, 2415, 2505, 2691, 3507, 3841, 4095, 4485, 5845, 6279, 6513, 7245, 7515, 10465, 10521, 10855, 11523, 13455, 15197, 17535, 18837, 19205, 19539, 26887, 31395, 32565, 34569, 45591, 49933, 52605, 57615, 75985, 80661, 94185, 97695, 134435, 136773, 149799, 172845, 227955, 241983, 249665, 349531, 403305, 449397, 683865, 748995, 1048593, 1209915, 1747655, 2246985, 3145779, 5242965, 15728895]

約数ペア:

[(1, 15728895), (3, 5242965), (5, 3145779), (7, 2246985), (9, 1747655), (13, 1209915), (15, 1048593), (21, 748995), (23, 683865), (35, 449397), (39, 403305), (45, 349531), (63, 249665), (65, 241983), (69, 227955), (91, 172845), (105, 149799), (115, 136773), (117, 134435), (161, 97695), (167, 94185), (195, 80661), (207, 75985), (273, 57615), (299, 52605), (315, 49933), (345, 45591), (455, 34569), (483, 32565), (501, 31395), (585, 26887), (805, 19539), (819, 19205), (835, 18837), (897, 17535), (1035, 15197), (1169, 13455), (1365, 11523), (1449, 10855), (1495, 10521), (1503, 10465), (2093, 7515), (2171, 7245), (2415, 6513), (2505, 6279), (2691, 5845), (3507, 4485), (3841, 4095)]