53156775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:185

約数の個数: 72

約数和(自身を含む): 107195520

約数和(自身を除く): 54038745

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 73, 75, 95, 105, 133, 175, 219, 285, 365, 399, 475, 511, 525, 665, 1095, 1387, 1425, 1533, 1825, 1995, 2555, 3325, 4161, 5329, 5475, 6935, 7665, 9709, 9975, 12775, 15987, 20805, 26645, 29127, 34675, 37303, 38325, 48545, 79935, 101251, 104025, 111909, 133225, 145635, 186515, 242725, 303753, 399675, 506255, 559545, 708757, 728175, 932575, 1518765, 2126271, 2531275, 2797725, 3543785, 7593825, 10631355, 17718925, 53156775]

約数ペア:

[(1, 53156775), (3, 17718925), (5, 10631355), (7, 7593825), (15, 3543785), (19, 2797725), (21, 2531275), (25, 2126271), (35, 1518765), (57, 932575), (73, 728175), (75, 708757), (95, 559545), (105, 506255), (133, 399675), (175, 303753), (219, 242725), (285, 186515), (365, 145635), (399, 133225), (475, 111909), (511, 104025), (525, 101251), (665, 79935), (1095, 48545), (1387, 38325), (1425, 37303), (1533, 34675), (1825, 29127), (1995, 26645), (2555, 20805), (3325, 15987), (4161, 12775), (5329, 9975), (5475, 9709), (6935, 7665)]