18225375

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 35582976

約数和(自身を除く): 17357601

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 53, 75, 105, 125, 131, 159, 175, 265, 371, 375, 393, 525, 655, 795, 875, 917, 1113, 1325, 1855, 1965, 2625, 2751, 3275, 3975, 4585, 5565, 6625, 6943, 9275, 9825, 13755, 16375, 19875, 20829, 22925, 27825, 34715, 46375, 48601, 49125, 68775, 104145, 114625, 139125, 145803, 173575, 243005, 343875, 520725, 729015, 867875, 1215025, 2603625, 3645075, 6075125, 18225375]

約数ペア:

[(1, 18225375), (3, 6075125), (5, 3645075), (7, 2603625), (15, 1215025), (21, 867875), (25, 729015), (35, 520725), (53, 343875), (75, 243005), (105, 173575), (125, 145803), (131, 139125), (159, 114625), (175, 104145), (265, 68775), (371, 49125), (375, 48601), (393, 46375), (525, 34715), (655, 27825), (795, 22925), (875, 20829), (917, 19875), (1113, 16375), (1325, 13755), (1855, 9825), (1965, 9275), (2625, 6943), (2751, 6625), (3275, 5565), (3975, 4585)]