617253

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:66

約数の個数: 48

約数和(自身を含む): 1149120

約数和(自身を除く): 531867

約数列:

[1, 3, 7, 13, 17, 19, 21, 39, 49, 51, 57, 91, 119, 133, 147, 221, 247, 273, 323, 357, 399, 637, 663, 741, 833, 931, 969, 1547, 1729, 1911, 2261, 2499, 2793, 4199, 4641, 5187, 6783, 10829, 12103, 12597, 15827, 29393, 32487, 36309, 47481, 88179, 205751, 617253]

約数ペア:

[(1, 617253), (3, 205751), (7, 88179), (13, 47481), (17, 36309), (19, 32487), (21, 29393), (39, 15827), (49, 12597), (51, 12103), (57, 10829), (91, 6783), (119, 5187), (133, 4641), (147, 4199), (221, 2793), (247, 2499), (273, 2261), (323, 1911), (357, 1729), (399, 1547), (637, 969), (663, 931), (741, 833)]