72055725

素因数分解:

$3^1\times 5^2\times 7^3\times {\mathrm{2801}}^1$

素因数の和:2835

約数の個数: 48

約数和(自身を含む): 138979200

約数和(自身を除く): 66923475

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 343, 525, 735, 1029, 1225, 1715, 2801, 3675, 5145, 8403, 8575, 14005, 19607, 25725, 42015, 58821, 70025, 98035, 137249, 210075, 294105, 411747, 490175, 686245, 960743, 1470525, 2058735, 2882229, 3431225, 4803715, 10293675, 14411145, 24018575, 72055725]

約数ペア:

[(1, 72055725), (3, 24018575), (5, 14411145), (7, 10293675), (15, 4803715), (21, 3431225), (25, 2882229), (35, 2058735), (49, 1470525), (75, 960743), (105, 686245), (147, 490175), (175, 411747), (245, 294105), (343, 210075), (525, 137249), (735, 98035), (1029, 70025), (1225, 58821), (1715, 42015), (2801, 25725), (3675, 19607), (5145, 14005), (8403, 8575)]