72738393

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2239}}^1$

素因数の和:2286

約数の個数: 48

約数和(自身を含む): 128701440

約数和(自身を除く): 55963047

約数列:

[1, 3, 7, 13, 17, 21, 39, 49, 51, 91, 119, 147, 221, 273, 357, 637, 663, 833, 1547, 1911, 2239, 2499, 4641, 6717, 10829, 15673, 29107, 32487, 38063, 47019, 87321, 109711, 114189, 203749, 266441, 329133, 494819, 611247, 799323, 1426243, 1484457, 1865087, 3463733, 4278729, 5595261, 10391199, 24246131, 72738393]

約数ペア:

[(1, 72738393), (3, 24246131), (7, 10391199), (13, 5595261), (17, 4278729), (21, 3463733), (39, 1865087), (49, 1484457), (51, 1426243), (91, 799323), (119, 611247), (147, 494819), (221, 329133), (273, 266441), (357, 203749), (637, 114189), (663, 109711), (833, 87321), (1547, 47019), (1911, 38063), (2239, 32487), (2499, 29107), (4641, 15673), (6717, 10829)]