15978222

素因数分解:

$2^1\times 3^7\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 38848320

約数和(自身を除く): 22870098

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 243, 281, 351, 486, 562, 702, 729, 843, 1053, 1458, 1686, 2106, 2187, 2529, 3159, 3653, 4374, 5058, 6318, 7306, 7587, 9477, 10959, 15174, 18954, 21918, 22761, 28431, 32877, 45522, 56862, 65754, 68283, 98631, 136566, 197262, 204849, 295893, 409698, 591786, 614547, 887679, 1229094, 1775358, 2663037, 5326074, 7989111, 15978222]

約数ペア:

[(1, 15978222), (2, 7989111), (3, 5326074), (6, 2663037), (9, 1775358), (13, 1229094), (18, 887679), (26, 614547), (27, 591786), (39, 409698), (54, 295893), (78, 204849), (81, 197262), (117, 136566), (162, 98631), (234, 68283), (243, 65754), (281, 56862), (351, 45522), (486, 32877), (562, 28431), (702, 22761), (729, 21918), (843, 18954), (1053, 15174), (1458, 10959), (1686, 9477), (2106, 7587), (2187, 7306), (2529, 6318), (3159, 5058), (3653, 4374)]