2803144725

素因数分解:

$3^5\times 5^2\times {\mathrm{157}}^1\times {\mathrm{2939}}^1$

素因数の和:3121

約数の個数: 72

約数和(自身を含む): 5241643680

約数和(自身を除く): 2438498955

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 157, 225, 243, 405, 471, 675, 785, 1215, 1413, 2025, 2355, 2939, 3925, 4239, 6075, 7065, 8817, 11775, 12717, 14695, 21195, 26451, 35325, 38151, 44085, 63585, 73475, 79353, 105975, 132255, 190755, 220425, 238059, 317925, 396765, 461423, 661275, 714177, 953775, 1190295, 1384269, 1983825, 2307115, 3570885, 4152807, 5951475, 6921345, 11535575, 12458421, 17854425, 20764035, 34606725, 37375263, 62292105, 103820175, 112125789, 186876315, 311460525, 560628945, 934381575, 2803144725]

約数ペア:

[(1, 2803144725), (3, 934381575), (5, 560628945), (9, 311460525), (15, 186876315), (25, 112125789), (27, 103820175), (45, 62292105), (75, 37375263), (81, 34606725), (135, 20764035), (157, 17854425), (225, 12458421), (243, 11535575), (405, 6921345), (471, 5951475), (675, 4152807), (785, 3570885), (1215, 2307115), (1413, 1983825), (2025, 1384269), (2355, 1190295), (2939, 953775), (3925, 714177), (4239, 661275), (6075, 461423), (7065, 396765), (8817, 317925), (11775, 238059), (12717, 220425), (14695, 190755), (21195, 132255), (26451, 105975), (35325, 79353), (38151, 73475), (44085, 63585)]