142781175

素因数分解:

$3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 265051488

約数和(自身を除く): 122270313

約数列:

[1, 3, 5, 9, 15, 25, 45, 61, 75, 101, 103, 183, 225, 303, 305, 309, 505, 515, 549, 909, 915, 927, 1515, 1525, 1545, 2525, 2575, 2745, 4545, 4575, 4635, 6161, 6283, 7575, 7725, 10403, 13725, 18483, 18849, 22725, 23175, 30805, 31209, 31415, 52015, 55449, 56547, 92415, 93627, 94245, 154025, 156045, 157075, 260075, 277245, 282735, 462075, 468135, 471225, 634583, 780225, 1386225, 1413675, 1903749, 2340675, 3172915, 5711247, 9518745, 15864575, 28556235, 47593725, 142781175]

約数ペア:

[(1, 142781175), (3, 47593725), (5, 28556235), (9, 15864575), (15, 9518745), (25, 5711247), (45, 3172915), (61, 2340675), (75, 1903749), (101, 1413675), (103, 1386225), (183, 780225), (225, 634583), (303, 471225), (305, 468135), (309, 462075), (505, 282735), (515, 277245), (549, 260075), (909, 157075), (915, 156045), (927, 154025), (1515, 94245), (1525, 93627), (1545, 92415), (2525, 56547), (2575, 55449), (2745, 52015), (4545, 31415), (4575, 31209), (4635, 30805), (6161, 23175), (6283, 22725), (7575, 18849), (7725, 18483), (10403, 13725)]