1900826109

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257879}}^1$

素因数の和:257911

約数の個数: 40

約数和(自身を含む): 3494789760

約数和(自身を除く): 1593963651

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 81, 91, 117, 189, 273, 351, 567, 819, 1053, 2457, 7371, 257879, 773637, 1805153, 2320911, 3352427, 5415459, 6962733, 10057281, 16246377, 20888199, 23466989, 30171843, 48739131, 70400967, 90515529, 146217393, 211202901, 271546587, 633608703, 1900826109]

約数ペア:

[(1, 1900826109), (3, 633608703), (7, 271546587), (9, 211202901), (13, 146217393), (21, 90515529), (27, 70400967), (39, 48739131), (63, 30171843), (81, 23466989), (91, 20888199), (117, 16246377), (189, 10057281), (273, 6962733), (351, 5415459), (567, 3352427), (819, 2320911), (1053, 1805153), (2457, 773637), (7371, 257879)]