217739145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3457}}^1$

素因数の和:3514

約数の個数: 64

約数和(自身を含む): 418279680

約数和(自身を除く): 200540535

約数列:

[1, 3, 5, 13, 15, 17, 19, 39, 51, 57, 65, 85, 95, 195, 221, 247, 255, 285, 323, 663, 741, 969, 1105, 1235, 1615, 3315, 3457, 3705, 4199, 4845, 10371, 12597, 17285, 20995, 44941, 51855, 58769, 62985, 65683, 134823, 176307, 197049, 224705, 293845, 328415, 674115, 763997, 853879, 881535, 985245, 1116611, 2291991, 2561637, 3349833, 3819985, 4269395, 5583055, 11459955, 12808185, 14515943, 16749165, 43547829, 72579715, 217739145]

約数ペア:

[(1, 217739145), (3, 72579715), (5, 43547829), (13, 16749165), (15, 14515943), (17, 12808185), (19, 11459955), (39, 5583055), (51, 4269395), (57, 3819985), (65, 3349833), (85, 2561637), (95, 2291991), (195, 1116611), (221, 985245), (247, 881535), (255, 853879), (285, 763997), (323, 674115), (663, 328415), (741, 293845), (969, 224705), (1105, 197049), (1235, 176307), (1615, 134823), (3315, 65683), (3457, 62985), (3705, 58769), (4199, 51855), (4845, 44941), (10371, 20995), (12597, 17285)]