15541275

素因数分解:

$3^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 27061760

約数和(自身を除く): 11520485

約数列:

[1, 3, 5, 15, 25, 43, 61, 75, 79, 129, 183, 215, 237, 305, 395, 645, 915, 1075, 1185, 1525, 1975, 2623, 3225, 3397, 4575, 4819, 5925, 7869, 10191, 13115, 14457, 16985, 24095, 39345, 50955, 65575, 72285, 84925, 120475, 196725, 207217, 254775, 361425, 621651, 1036085, 3108255, 5180425, 15541275]

約数ペア:

[(1, 15541275), (3, 5180425), (5, 3108255), (15, 1036085), (25, 621651), (43, 361425), (61, 254775), (75, 207217), (79, 196725), (129, 120475), (183, 84925), (215, 72285), (237, 65575), (305, 50955), (395, 39345), (645, 24095), (915, 16985), (1075, 14457), (1185, 13115), (1525, 10191), (1975, 7869), (2623, 5925), (3225, 4819), (3397, 4575)]