250170921

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3967}}^1$

素因数の和:4011

約数の個数: 72

約数和(自身を含む): 493968384

約数和(自身を除く): 243797463

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 49, 63, 77, 91, 99, 117, 143, 147, 231, 273, 429, 441, 539, 637, 693, 819, 1001, 1287, 1617, 1911, 3003, 3967, 4851, 5733, 7007, 9009, 11901, 21021, 27769, 35703, 43637, 51571, 63063, 83307, 130911, 154713, 194383, 249921, 305459, 360997, 392733, 464139, 567281, 583149, 916377, 1082991, 1701843, 1749447, 2138213, 2526979, 2749131, 3248973, 3970967, 5105529, 6414639, 7580937, 11912901, 19243917, 22742811, 27796769, 35738703, 83390307, 250170921]

約数ペア:

[(1, 250170921), (3, 83390307), (7, 35738703), (9, 27796769), (11, 22742811), (13, 19243917), (21, 11912901), (33, 7580937), (39, 6414639), (49, 5105529), (63, 3970967), (77, 3248973), (91, 2749131), (99, 2526979), (117, 2138213), (143, 1749447), (147, 1701843), (231, 1082991), (273, 916377), (429, 583149), (441, 567281), (539, 464139), (637, 392733), (693, 360997), (819, 305459), (1001, 249921), (1287, 194383), (1617, 154713), (1911, 130911), (3003, 83307), (3967, 63063), (4851, 51571), (5733, 43637), (7007, 35703), (9009, 27769), (11901, 21021)]