201990513015

素因数分解:

$3^2\times 5^1\times {\mathrm{53}}^2\times {\mathrm{409}}^1\times {\mathrm{3907}}^1$

素因数の和:4433

約数の個数: 72

約数和(自身を含む): 357811555920

約数和(自身を除く): 155821042905

約数列:

[1, 3, 5, 9, 15, 45, 53, 159, 265, 409, 477, 795, 1227, 2045, 2385, 2809, 3681, 3907, 6135, 8427, 11721, 14045, 18405, 19535, 21677, 25281, 35163, 42135, 58605, 65031, 108385, 126405, 175815, 195093, 207071, 325155, 621213, 975465, 1035355, 1148881, 1597963, 1863639, 3106065, 3446643, 4793889, 5744405, 7989815, 9318195, 10339929, 10974763, 14381667, 17233215, 23969445, 32924289, 51699645, 54873815, 71908335, 84692039, 98772867, 164621445, 254076117, 423460195, 493864335, 762228351, 1270380585, 3811141755, 4488678067, 13466034201, 22443390335, 40398102603, 67330171005, 201990513015]

約数ペア:

[(1, 201990513015), (3, 67330171005), (5, 40398102603), (9, 22443390335), (15, 13466034201), (45, 4488678067), (53, 3811141755), (159, 1270380585), (265, 762228351), (409, 493864335), (477, 423460195), (795, 254076117), (1227, 164621445), (2045, 98772867), (2385, 84692039), (2809, 71908335), (3681, 54873815), (3907, 51699645), (6135, 32924289), (8427, 23969445), (11721, 17233215), (14045, 14381667), (18405, 10974763), (19535, 10339929), (21677, 9318195), (25281, 7989815), (35163, 5744405), (42135, 4793889), (58605, 3446643), (65031, 3106065), (108385, 1863639), (126405, 1597963), (175815, 1148881), (195093, 1035355), (207071, 975465), (325155, 621213)]