16420131

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 30858240

約数和(自身を除く): 14438109

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 41, 63, 91, 117, 123, 163, 189, 273, 287, 351, 369, 489, 533, 819, 861, 1107, 1141, 1467, 1599, 2119, 2457, 2583, 3423, 3731, 4401, 4797, 6357, 6683, 7749, 10269, 11193, 14391, 14833, 19071, 20049, 30807, 33579, 44499, 46781, 57213, 60147, 86879, 100737, 133497, 140343, 180441, 260637, 400491, 421029, 608153, 781911, 1263087, 1824459, 2345733, 5473377, 16420131]

約数ペア:

[(1, 16420131), (3, 5473377), (7, 2345733), (9, 1824459), (13, 1263087), (21, 781911), (27, 608153), (39, 421029), (41, 400491), (63, 260637), (91, 180441), (117, 140343), (123, 133497), (163, 100737), (189, 86879), (273, 60147), (287, 57213), (351, 46781), (369, 44499), (489, 33579), (533, 30807), (819, 20049), (861, 19071), (1107, 14833), (1141, 14391), (1467, 11193), (1599, 10269), (2119, 7749), (2457, 6683), (2583, 6357), (3423, 4797), (3731, 4401)]