287731431

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{6421}}^1$

素因数の和:6823

約数の個数: 24

約数和(自身を含む): 448820736

約数和(自身を除く): 161089305

約数列:

[1, 3, 9, 13, 39, 117, 383, 1149, 3447, 4979, 6421, 14937, 19263, 44811, 57789, 83473, 250419, 751257, 2459243, 7377729, 22133187, 31970159, 95910477, 287731431]

約数ペア:

[(1, 287731431), (3, 95910477), (9, 31970159), (13, 22133187), (39, 7377729), (117, 2459243), (383, 751257), (1149, 250419), (3447, 83473), (4979, 57789), (6421, 44811), (14937, 19263)]