28337925

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{701}}^1$

素因数の和:739

約数の個数: 72

約数和(自身を含む): 59540832

約数和(自身を除く): 31202907

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 49, 55, 75, 77, 105, 147, 165, 175, 231, 245, 275, 385, 525, 539, 701, 735, 825, 1155, 1225, 1617, 1925, 2103, 2695, 3505, 3675, 4907, 5775, 7711, 8085, 10515, 13475, 14721, 17525, 23133, 24535, 34349, 38555, 40425, 52575, 53977, 73605, 103047, 115665, 122675, 161931, 171745, 192775, 269885, 368025, 377839, 515235, 578325, 809655, 858725, 1133517, 1349425, 1889195, 2576175, 4048275, 5667585, 9445975, 28337925]

約数ペア:

[(1, 28337925), (3, 9445975), (5, 5667585), (7, 4048275), (11, 2576175), (15, 1889195), (21, 1349425), (25, 1133517), (33, 858725), (35, 809655), (49, 578325), (55, 515235), (75, 377839), (77, 368025), (105, 269885), (147, 192775), (165, 171745), (175, 161931), (231, 122675), (245, 115665), (275, 103047), (385, 73605), (525, 53977), (539, 52575), (701, 40425), (735, 38555), (825, 34349), (1155, 24535), (1225, 23133), (1617, 17525), (1925, 14721), (2103, 13475), (2695, 10515), (3505, 8085), (3675, 7711), (4907, 5775)]