26421825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 72

約数和(自身を含む): 49336128

約数和(自身を除く): 22914303

約数列:

[1, 3, 5, 15, 17, 23, 25, 51, 53, 69, 75, 85, 115, 159, 255, 265, 289, 345, 391, 425, 575, 795, 867, 901, 1173, 1219, 1275, 1325, 1445, 1725, 1955, 2703, 3657, 3975, 4335, 4505, 5865, 6095, 6647, 7225, 9775, 13515, 15317, 18285, 19941, 20723, 21675, 22525, 29325, 30475, 33235, 45951, 62169, 67575, 76585, 91425, 99705, 103615, 166175, 229755, 310845, 352291, 382925, 498525, 518075, 1056873, 1148775, 1554225, 1761455, 5284365, 8807275, 26421825]

約数ペア:

[(1, 26421825), (3, 8807275), (5, 5284365), (15, 1761455), (17, 1554225), (23, 1148775), (25, 1056873), (51, 518075), (53, 498525), (69, 382925), (75, 352291), (85, 310845), (115, 229755), (159, 166175), (255, 103615), (265, 99705), (289, 91425), (345, 76585), (391, 67575), (425, 62169), (575, 45951), (795, 33235), (867, 30475), (901, 29325), (1173, 22525), (1219, 21675), (1275, 20723), (1325, 19941), (1445, 18285), (1725, 15317), (1955, 13515), (2703, 9775), (3657, 7225), (3975, 6647), (4335, 6095), (4505, 5865)]