210887631

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{137029}}^1$

素因数の和:137060

約数の個数: 20

約数和(自身を含む): 331612600

約数和(自身を除く): 120724969

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 137029, 411087, 1233261, 2603551, 3699783, 7810653, 11099349, 23431959, 70295877, 210887631]

約数ペア:

[(1, 210887631), (3, 70295877), (9, 23431959), (19, 11099349), (27, 7810653), (57, 3699783), (81, 2603551), (171, 1233261), (513, 411087), (1539, 137029)]