31275045

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 59616000

約数和(自身を除く): 28340955

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 89, 95, 135, 137, 171, 267, 285, 411, 445, 513, 685, 801, 855, 1233, 1335, 1691, 2055, 2403, 2565, 2603, 3699, 4005, 5073, 6165, 7809, 8455, 12015, 12193, 13015, 15219, 18495, 23427, 25365, 36579, 39045, 45657, 60965, 70281, 76095, 109737, 117135, 182895, 228285, 231667, 329211, 351405, 548685, 695001, 1158335, 1646055, 2085003, 3475005, 6255009, 10425015, 31275045]

約数ペア:

[(1, 31275045), (3, 10425015), (5, 6255009), (9, 3475005), (15, 2085003), (19, 1646055), (27, 1158335), (45, 695001), (57, 548685), (89, 351405), (95, 329211), (135, 231667), (137, 228285), (171, 182895), (267, 117135), (285, 109737), (411, 76095), (445, 70281), (513, 60965), (685, 45657), (801, 39045), (855, 36579), (1233, 25365), (1335, 23427), (1691, 18495), (2055, 15219), (2403, 13015), (2565, 12193), (2603, 12015), (3699, 8455), (4005, 7809), (5073, 6165)]