30871155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 59222016

約数和(自身を除く): 28350861

約数列:

[1, 3, 5, 7, 15, 21, 35, 41, 71, 101, 105, 123, 205, 213, 287, 303, 355, 497, 505, 615, 707, 861, 1065, 1435, 1491, 1515, 2121, 2485, 2911, 3535, 4141, 4305, 7171, 7455, 8733, 10605, 12423, 14555, 20377, 20705, 21513, 28987, 35855, 43665, 50197, 61131, 62115, 86961, 101885, 107565, 144935, 150591, 250985, 294011, 305655, 434805, 752955, 882033, 1470055, 2058077, 4410165, 6174231, 10290385, 30871155]

約数ペア:

[(1, 30871155), (3, 10290385), (5, 6174231), (7, 4410165), (15, 2058077), (21, 1470055), (35, 882033), (41, 752955), (71, 434805), (101, 305655), (105, 294011), (123, 250985), (205, 150591), (213, 144935), (287, 107565), (303, 101885), (355, 86961), (497, 62115), (505, 61131), (615, 50197), (707, 43665), (861, 35855), (1065, 28987), (1435, 21513), (1491, 20705), (1515, 20377), (2121, 14555), (2485, 12423), (2911, 10605), (3535, 8733), (4141, 7455), (4305, 7171)]