4094025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 72

約数和(自身を含む): 8169120

約数和(自身を除く): 4075095

約数列:

[1, 3, 5, 13, 15, 17, 19, 25, 39, 51, 57, 65, 75, 85, 95, 169, 195, 221, 247, 255, 285, 323, 325, 425, 475, 507, 663, 741, 845, 969, 975, 1105, 1235, 1275, 1425, 1615, 2535, 2873, 3211, 3315, 3705, 4199, 4225, 4845, 5525, 6175, 8075, 8619, 9633, 12597, 12675, 14365, 16055, 16575, 18525, 20995, 24225, 43095, 48165, 54587, 62985, 71825, 80275, 104975, 163761, 215475, 240825, 272935, 314925, 818805, 1364675, 4094025]

約数ペア:

[(1, 4094025), (3, 1364675), (5, 818805), (13, 314925), (15, 272935), (17, 240825), (19, 215475), (25, 163761), (39, 104975), (51, 80275), (57, 71825), (65, 62985), (75, 54587), (85, 48165), (95, 43095), (169, 24225), (195, 20995), (221, 18525), (247, 16575), (255, 16055), (285, 14365), (323, 12675), (325, 12597), (425, 9633), (475, 8619), (507, 8075), (663, 6175), (741, 5525), (845, 4845), (969, 4225), (975, 4199), (1105, 3705), (1235, 3315), (1275, 3211), (1425, 2873), (1615, 2535)]