40890825

素因数分解:

$3^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 72

約数和(自身を含む): 77995008

約数和(自身を除く): 37104183

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 53, 75, 81, 127, 135, 159, 225, 243, 265, 381, 405, 477, 635, 675, 795, 1143, 1215, 1325, 1431, 1905, 2025, 2385, 3175, 3429, 3975, 4293, 5715, 6075, 6731, 7155, 9525, 10287, 11925, 12879, 17145, 20193, 21465, 28575, 30861, 33655, 35775, 51435, 60579, 64395, 85725, 100965, 107325, 154305, 168275, 181737, 257175, 302895, 321975, 504825, 545211, 771525, 908685, 1514475, 1635633, 2726055, 4543425, 8178165, 13630275, 40890825]

約数ペア:

[(1, 40890825), (3, 13630275), (5, 8178165), (9, 4543425), (15, 2726055), (25, 1635633), (27, 1514475), (45, 908685), (53, 771525), (75, 545211), (81, 504825), (127, 321975), (135, 302895), (159, 257175), (225, 181737), (243, 168275), (265, 154305), (381, 107325), (405, 100965), (477, 85725), (635, 64395), (675, 60579), (795, 51435), (1143, 35775), (1215, 33655), (1325, 30861), (1431, 28575), (1905, 21465), (2025, 20193), (2385, 17145), (3175, 12879), (3429, 11925), (3975, 10287), (4293, 9525), (5715, 7155), (6075, 6731)]