221559625

素因数分解:

$5^3\times 7^2\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:683

約数の個数: 48

約数和(自身を含む): 327474576

約数和(自身を除く): 105914951

約数列:

[1, 5, 7, 25, 35, 49, 61, 125, 175, 245, 305, 427, 593, 875, 1225, 1525, 2135, 2965, 2989, 4151, 6125, 7625, 10675, 14825, 14945, 20755, 29057, 36173, 53375, 74125, 74725, 103775, 145285, 180865, 253211, 373625, 518875, 726425, 904325, 1266055, 1772477, 3632125, 4521625, 6330275, 8862385, 31651375, 44311925, 221559625]

約数ペア:

[(1, 221559625), (5, 44311925), (7, 31651375), (25, 8862385), (35, 6330275), (49, 4521625), (61, 3632125), (125, 1772477), (175, 1266055), (245, 904325), (305, 726425), (427, 518875), (593, 373625), (875, 253211), (1225, 180865), (1525, 145285), (2135, 103775), (2965, 74725), (2989, 74125), (4151, 53375), (6125, 36173), (7625, 29057), (10675, 20755), (14825, 14945)]