15550425

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:191

約数の個数: 72

約数和(自身を含む): 31182528

約数和(自身を除く): 15632103

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 61, 75, 99, 103, 165, 183, 225, 275, 305, 309, 495, 515, 549, 671, 825, 915, 927, 1133, 1525, 1545, 2013, 2475, 2575, 2745, 3355, 3399, 4575, 4635, 5665, 6039, 6283, 7725, 10065, 10197, 13725, 16775, 16995, 18849, 23175, 28325, 30195, 31415, 50325, 50985, 56547, 69113, 84975, 94245, 150975, 157075, 207339, 254925, 282735, 345565, 471225, 622017, 1036695, 1413675, 1727825, 3110085, 5183475, 15550425]

約数ペア:

[(1, 15550425), (3, 5183475), (5, 3110085), (9, 1727825), (11, 1413675), (15, 1036695), (25, 622017), (33, 471225), (45, 345565), (55, 282735), (61, 254925), (75, 207339), (99, 157075), (103, 150975), (165, 94245), (183, 84975), (225, 69113), (275, 56547), (305, 50985), (309, 50325), (495, 31415), (515, 30195), (549, 28325), (671, 23175), (825, 18849), (915, 16995), (927, 16775), (1133, 13725), (1525, 10197), (1545, 10065), (2013, 7725), (2475, 6283), (2575, 6039), (2745, 5665), (3355, 4635), (3399, 4575)]