220101147

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{449}}^1$

素因数の和:744

約数の個数: 48

約数和(自身を含む): 377395200

約数和(自身を除く): 157294053

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 251, 279, 449, 651, 753, 1347, 1757, 1953, 2259, 3143, 4041, 5271, 7781, 9429, 13919, 15813, 23343, 28287, 41757, 54467, 70029, 97433, 112699, 125271, 163401, 292299, 338097, 490203, 788893, 876897, 1014291, 2366679, 3493669, 7100037, 10481007, 24455683, 31443021, 73367049, 220101147]

約数ペア:

[(1, 220101147), (3, 73367049), (7, 31443021), (9, 24455683), (21, 10481007), (31, 7100037), (63, 3493669), (93, 2366679), (217, 1014291), (251, 876897), (279, 788893), (449, 490203), (651, 338097), (753, 292299), (1347, 163401), (1757, 125271), (1953, 112699), (2259, 97433), (3143, 70029), (4041, 54467), (5271, 41757), (7781, 28287), (9429, 23343), (13919, 15813)]