249497703

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{317}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 459766944

約数和(自身を除く): 210269241

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 317, 403, 651, 819, 951, 961, 1209, 1953, 2219, 2821, 2853, 2883, 3627, 4121, 6657, 6727, 8463, 8649, 9827, 12363, 12493, 19971, 20181, 25389, 28847, 29481, 37089, 37479, 60543, 68789, 86541, 87451, 88443, 112437, 127751, 206367, 259623, 262353, 304637, 383253, 619101, 787059, 894257, 913911, 1149759, 2132459, 2682771, 2741733, 3960281, 6397377, 8048313, 11880843, 19192131, 27721967, 35642529, 83165901, 249497703]

約数ペア:

[(1, 249497703), (3, 83165901), (7, 35642529), (9, 27721967), (13, 19192131), (21, 11880843), (31, 8048313), (39, 6397377), (63, 3960281), (91, 2741733), (93, 2682771), (117, 2132459), (217, 1149759), (273, 913911), (279, 894257), (317, 787059), (403, 619101), (651, 383253), (819, 304637), (951, 262353), (961, 259623), (1209, 206367), (1953, 127751), (2219, 112437), (2821, 88443), (2853, 87451), (2883, 86541), (3627, 68789), (4121, 60543), (6657, 37479), (6727, 37089), (8463, 29481), (8649, 28847), (9827, 25389), (12363, 20181), (12493, 19971)]