28170825

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{373}}^1$

素因数の和:458

約数の個数: 48

約数和(自身を含む): 50086080

約数和(自身を除く): 21915255

約数列:

[1, 3, 5, 15, 19, 25, 53, 57, 75, 95, 159, 265, 285, 373, 475, 795, 1007, 1119, 1325, 1425, 1865, 3021, 3975, 5035, 5595, 7087, 9325, 15105, 19769, 21261, 25175, 27975, 35435, 59307, 75525, 98845, 106305, 177175, 296535, 375611, 494225, 531525, 1126833, 1482675, 1878055, 5634165, 9390275, 28170825]

約数ペア:

[(1, 28170825), (3, 9390275), (5, 5634165), (15, 1878055), (19, 1482675), (25, 1126833), (53, 531525), (57, 494225), (75, 375611), (95, 296535), (159, 177175), (265, 106305), (285, 98845), (373, 75525), (475, 59307), (795, 35435), (1007, 27975), (1119, 25175), (1325, 21261), (1425, 19769), (1865, 15105), (3021, 9325), (3975, 7087), (5035, 5595)]