225990

素因数分解:

$2^1\times 3^6\times 5^1\times {\mathrm{31}}^1$

素因数の和:56

約数の個数: 56

約数和(自身を含む): 629568

約数和(自身を除く): 403578

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 243, 270, 279, 310, 405, 465, 486, 558, 729, 810, 837, 930, 1215, 1395, 1458, 1674, 2430, 2511, 2790, 3645, 4185, 5022, 7290, 7533, 8370, 12555, 15066, 22599, 25110, 37665, 45198, 75330, 112995, 225990]

約数ペア:

[(1, 225990), (2, 112995), (3, 75330), (5, 45198), (6, 37665), (9, 25110), (10, 22599), (15, 15066), (18, 12555), (27, 8370), (30, 7533), (31, 7290), (45, 5022), (54, 4185), (62, 3645), (81, 2790), (90, 2511), (93, 2430), (135, 1674), (155, 1458), (162, 1395), (186, 1215), (243, 930), (270, 837), (279, 810), (310, 729), (405, 558), (465, 486)]