71985015

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1427}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 133660800

約数和(自身を除く): 61675785

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 59, 95, 171, 177, 285, 295, 531, 855, 885, 1121, 1427, 2655, 3363, 4281, 5605, 7135, 10089, 12843, 16815, 21405, 27113, 50445, 64215, 81339, 84193, 135565, 244017, 252579, 406695, 420965, 757737, 1220085, 1262895, 1599667, 3788685, 4799001, 7998335, 14397003, 23995005, 71985015]

約数ペア:

[(1, 71985015), (3, 23995005), (5, 14397003), (9, 7998335), (15, 4799001), (19, 3788685), (45, 1599667), (57, 1262895), (59, 1220085), (95, 757737), (171, 420965), (177, 406695), (285, 252579), (295, 244017), (531, 135565), (855, 84193), (885, 81339), (1121, 64215), (1427, 50445), (2655, 27113), (3363, 21405), (4281, 16815), (5605, 12843), (7135, 10089)]