201997341

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4327}}^1$

素因数の和:4375

約数の個数: 64

約数和(自身を含む): 387788800

約数和(自身を除く): 185791459

約数列:

[1, 3, 7, 9, 13, 19, 21, 27, 39, 57, 63, 91, 117, 133, 171, 189, 247, 273, 351, 399, 513, 741, 819, 1197, 1729, 2223, 2457, 3591, 4327, 5187, 6669, 12981, 15561, 30289, 38943, 46683, 56251, 82213, 90867, 116829, 168753, 246639, 272601, 393757, 506259, 575491, 739917, 817803, 1068769, 1181271, 1518777, 1726473, 2219751, 3206307, 3543813, 5179419, 7481383, 9618921, 10631439, 15538257, 22444149, 28856763, 67332447, 201997341]

約数ペア:

[(1, 201997341), (3, 67332447), (7, 28856763), (9, 22444149), (13, 15538257), (19, 10631439), (21, 9618921), (27, 7481383), (39, 5179419), (57, 3543813), (63, 3206307), (91, 2219751), (117, 1726473), (133, 1518777), (171, 1181271), (189, 1068769), (247, 817803), (273, 739917), (351, 575491), (399, 506259), (513, 393757), (741, 272601), (819, 246639), (1197, 168753), (1729, 116829), (2223, 90867), (2457, 82213), (3591, 56251), (4327, 46683), (5187, 38943), (6669, 30289), (12981, 15561)]