201870915

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 356904960

約数和(自身を除く): 155034045

約数列:

[1, 3, 5, 15, 19, 31, 57, 73, 93, 95, 155, 219, 285, 313, 365, 465, 589, 939, 1095, 1387, 1565, 1767, 2263, 2945, 4161, 4695, 5947, 6789, 6935, 8835, 9703, 11315, 17841, 20805, 22849, 29109, 29735, 33945, 42997, 48515, 68547, 89205, 114245, 128991, 145545, 184357, 214985, 342735, 434131, 553071, 644955, 708319, 921785, 1302393, 2124957, 2170655, 2765355, 3541595, 6511965, 10624785, 13458061, 40374183, 67290305, 201870915]

約数ペア:

[(1, 201870915), (3, 67290305), (5, 40374183), (15, 13458061), (19, 10624785), (31, 6511965), (57, 3541595), (73, 2765355), (93, 2170655), (95, 2124957), (155, 1302393), (219, 921785), (285, 708319), (313, 644955), (365, 553071), (465, 434131), (589, 342735), (939, 214985), (1095, 184357), (1387, 145545), (1565, 128991), (1767, 114245), (2263, 89205), (2945, 68547), (4161, 48515), (4695, 42997), (5947, 33945), (6789, 29735), (6935, 29109), (8835, 22849), (9703, 20805), (11315, 17841)]