71979885

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2903}}^1$

素因数の和:2962

約数の個数: 48

約数和(自身を含む): 135907200

約数和(自身を除く): 63927315

約数列:

[1, 3, 5, 9, 15, 19, 29, 45, 57, 87, 95, 145, 171, 261, 285, 435, 551, 855, 1305, 1653, 2755, 2903, 4959, 8265, 8709, 14515, 24795, 26127, 43545, 55157, 84187, 130635, 165471, 252561, 275785, 420935, 496413, 757683, 827355, 1262805, 1599553, 2482065, 3788415, 4798659, 7997765, 14395977, 23993295, 71979885]

約数ペア:

[(1, 71979885), (3, 23993295), (5, 14395977), (9, 7997765), (15, 4798659), (19, 3788415), (29, 2482065), (45, 1599553), (57, 1262805), (87, 827355), (95, 757683), (145, 496413), (171, 420935), (261, 275785), (285, 252561), (435, 165471), (551, 130635), (855, 84187), (1305, 55157), (1653, 43545), (2755, 26127), (2903, 24795), (4959, 14515), (8265, 8709)]