99891975

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 170124032

約数和(自身を除く): 70232057

約数列:

[1, 3, 5, 15, 25, 67, 75, 103, 193, 201, 309, 335, 515, 579, 965, 1005, 1545, 1675, 2575, 2895, 4825, 5025, 6901, 7725, 12931, 14475, 19879, 20703, 34505, 38793, 59637, 64655, 99395, 103515, 172525, 193965, 298185, 323275, 496975, 517575, 969825, 1331893, 1490925, 3995679, 6659465, 19978395, 33297325, 99891975]

約数ペア:

[(1, 99891975), (3, 33297325), (5, 19978395), (15, 6659465), (25, 3995679), (67, 1490925), (75, 1331893), (103, 969825), (193, 517575), (201, 496975), (309, 323275), (335, 298185), (515, 193965), (579, 172525), (965, 103515), (1005, 99395), (1545, 64655), (1675, 59637), (2575, 38793), (2895, 34505), (4825, 20703), (5025, 19879), (6901, 14475), (7725, 12931)]