75711915

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2633}}^1$

素因数の和:2721

約数の個数: 40

約数和(自身を含む): 137684448

約数和(自身を除く): 61972533

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 2633, 3195, 5751, 7899, 9585, 13165, 23697, 28755, 39495, 71091, 118485, 186943, 213273, 355455, 560829, 934715, 1066365, 1682487, 2804145, 5047461, 8412435, 15142383, 25237305, 75711915]

約数ペア:

[(1, 75711915), (3, 25237305), (5, 15142383), (9, 8412435), (15, 5047461), (27, 2804145), (45, 1682487), (71, 1066365), (81, 934715), (135, 560829), (213, 355455), (355, 213273), (405, 186943), (639, 118485), (1065, 71091), (1917, 39495), (2633, 28755), (3195, 23697), (5751, 13165), (7899, 9585)]