171907725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1051

約数の個数: 72

約数和(自身を含む): 329180320

約数和(自身を除く): 157272595

約数列:

[1, 3, 5, 11, 15, 19, 25, 33, 55, 57, 75, 95, 121, 165, 209, 275, 285, 363, 475, 605, 627, 825, 997, 1045, 1425, 1815, 2299, 2991, 3025, 3135, 4985, 5225, 6897, 9075, 10967, 11495, 14955, 15675, 18943, 24925, 32901, 34485, 54835, 56829, 57475, 74775, 94715, 120637, 164505, 172425, 208373, 274175, 284145, 361911, 473575, 603185, 625119, 822525, 1041865, 1420725, 1809555, 2292103, 3015925, 3125595, 5209325, 6876309, 9047775, 11460515, 15627975, 34381545, 57302575, 171907725]

約数ペア:

[(1, 171907725), (3, 57302575), (5, 34381545), (11, 15627975), (15, 11460515), (19, 9047775), (25, 6876309), (33, 5209325), (55, 3125595), (57, 3015925), (75, 2292103), (95, 1809555), (121, 1420725), (165, 1041865), (209, 822525), (275, 625119), (285, 603185), (363, 473575), (475, 361911), (605, 284145), (627, 274175), (825, 208373), (997, 172425), (1045, 164505), (1425, 120637), (1815, 94715), (2299, 74775), (2991, 57475), (3025, 56829), (3135, 54835), (4985, 34485), (5225, 32901), (6897, 24925), (9075, 18943), (10967, 15675), (11495, 14955)]