191890545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1613}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 386740224

約数和(自身を除く): 194849679

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 103, 105, 165, 231, 309, 385, 515, 721, 1133, 1155, 1545, 1613, 2163, 3399, 3605, 4839, 5665, 7931, 8065, 10815, 11291, 16995, 17743, 23793, 24195, 33873, 39655, 53229, 56455, 88715, 118965, 124201, 166139, 169365, 266145, 372603, 498417, 621005, 830695, 1162973, 1827529, 1863015, 2492085, 3488919, 5482587, 5814865, 9137645, 12792703, 17444595, 27412935, 38378109, 63963515, 191890545]

約数ペア:

[(1, 191890545), (3, 63963515), (5, 38378109), (7, 27412935), (11, 17444595), (15, 12792703), (21, 9137645), (33, 5814865), (35, 5482587), (55, 3488919), (77, 2492085), (103, 1863015), (105, 1827529), (165, 1162973), (231, 830695), (309, 621005), (385, 498417), (515, 372603), (721, 266145), (1133, 169365), (1155, 166139), (1545, 124201), (1613, 118965), (2163, 88715), (3399, 56455), (3605, 53229), (4839, 39655), (5665, 33873), (7931, 24195), (8065, 23793), (10815, 17743), (11291, 16995)]