127621131

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 190003968

約数和(自身を除く): 62382837

約数列:

[1, 3, 11, 33, 67, 197, 201, 293, 591, 737, 879, 2167, 2211, 3223, 6501, 9669, 13199, 19631, 39597, 57721, 58893, 145189, 173163, 215941, 435567, 634931, 647823, 1904793, 3867307, 11601921, 42540377, 127621131]

約数ペア:

[(1, 127621131), (3, 42540377), (11, 11601921), (33, 3867307), (67, 1904793), (197, 647823), (201, 634931), (293, 435567), (591, 215941), (737, 173163), (879, 145189), (2167, 58893), (2211, 57721), (3223, 39597), (6501, 19631), (9669, 13199)]