237709725

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 455902368

約数和(自身を除く): 218192643

約数列:

[1, 3, 5, 11, 15, 17, 25, 33, 51, 55, 75, 85, 165, 187, 255, 275, 289, 425, 561, 825, 867, 935, 997, 1275, 1445, 2805, 2991, 3179, 4335, 4675, 4985, 7225, 9537, 10967, 14025, 14955, 15895, 16949, 21675, 24925, 32901, 47685, 50847, 54835, 74775, 79475, 84745, 164505, 186439, 238425, 254235, 274175, 288133, 423725, 559317, 822525, 864399, 932195, 1271175, 1440665, 2796585, 3169463, 4321995, 4660975, 7203325, 9508389, 13982925, 15847315, 21609975, 47541945, 79236575, 237709725]

約数ペア:

[(1, 237709725), (3, 79236575), (5, 47541945), (11, 21609975), (15, 15847315), (17, 13982925), (25, 9508389), (33, 7203325), (51, 4660975), (55, 4321995), (75, 3169463), (85, 2796585), (165, 1440665), (187, 1271175), (255, 932195), (275, 864399), (289, 822525), (425, 559317), (561, 423725), (825, 288133), (867, 274175), (935, 254235), (997, 238425), (1275, 186439), (1445, 164505), (2805, 84745), (2991, 79475), (3179, 74775), (4335, 54835), (4675, 50847), (4985, 47685), (7225, 32901), (9537, 24925), (10967, 21675), (14025, 16949), (14955, 15895)]